www.nckco.com

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 04:ea:17:81:06:78:4f:af:ea:d9:1e:13:8c:d5:3f:8c:ec:47 was issued on by Let's Encrypt.

This certificate has already expired and will cause a warning or error message in the browser it's still listed on this site to allow you to look back on previously issued certificates. If we have found any compliance issues with this certificate they will be shown below. I hope this certificate review is providing you the detailed information in a simple form you where looking for.


We have idenified some issues with this certificate:
  • Subscriber Certificate: commonName is deprecated. (BRs: 7.1.4.2.2)

Certificate Subject

CN=www.nckco.com

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 04:ea:17:81:06:78:4f:af:ea:d9:1e:13:8c:d5:3f:8c:ec:47
Serial Number (int): 428106459767964890205221053707206110538823
Serial Number lenght: 139 bits, 18 octets

SubjectKeyId: 48:66:0d:08:b0:0f:c1:8b:14:9b:ae:bb:08:54:28:57:96:e7:38:df
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): 0a:20:b7:5d:37:9f:53:00:f3:14:50:25:e7:ad:04:58:87:69:d7:0f
Fingerprint (sha256): 3b:75:45:ea:77:11:a6:35:e4:ba:92:24:52:b8:93:11:b8:5f:cd:97:be:36:c9:81:eb:88:8a:e8:55:08:db:22

Issuing Certificate URL: http://cert.int-x3.letsencrypt.org/

Revocation information

OCSP Server: http://ocsp.int-x3.letsencrypt.org

Check the revocation status for certificate www.nckco.com

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for www.nckco.com

Public Key Algorithm

RSA

Key Size

4096

Signature Algorithm

SHA256 with RSA

Key Usage

Digital Signature
Key Encipherment

Extended Key Usages

Server Authentication
Client Authentication

Extensions

9 extensions
No unhandled critical extensions

CA Certificate

This is not a CA certificate

Subject Alternative Names

www.nckco.com

Other certificates including the domain name nckco.com

(limited to 100 certificates)

Certificate

The complete raw certificate details for www.nckco.com in PEM and ASN.1 format.

Certificate (PEM)

-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----

Public Key (PEM)

-----BEGIN PUBLIC KEY-----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-----END PUBLIC KEY-----

ASN.1 decoded

 [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . [c:2|t:0|true] OtherName 
 . . . . . . . . . . . . [c:0|t:2|false] INTEGER 2
 . . . . . . . . [c:0|t:2|false] INTEGER 428106459767964890205221053707206110538823
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.2.840.113549.1.1.11 (sha256WithRSAEncryption)
 . . . . . . . . . . . . [c:0|t:5|false] NULL 
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:17|true] SET, SET OF 
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.4.6 (countryName)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:19|false] PrintableString 'US'
 . . . . . . . . . . . . [c:0|t:17|true] SET, SET OF 
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.4.10 (organizationName)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:19|false] PrintableString 'Let's Encrypt'
 . . . . . . . . . . . . [c:0|t:17|true] SET, SET OF 
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.4.3 (commonName)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:19|false] PrintableString 'Let's Encrypt Authority X3'
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-03-01 14:02:50 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-05-30 14:02:50 +0000 UTC
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:17|true] SET, SET OF 
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.4.3 (commonName)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:19|false] PrintableString 'www.nckco.com'
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.2.840.113549.1.1.1 (rsaEncryption)
 . . . . . . . . . . . . . . . . [c:0|t:5|false] NULL 
 . . . . . . . . . . . . [c:0|t:3|false] BIT STRING (4208 bits)
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:2|false] INTEGER 995512000850305066328418602962829564695620677492724509034036908673267988626031511476313322924474303281733662997771225305918033572726563758458274611366883784127069483115152597882141001060907196089195472928296525558012049681213741200633790257695006904763307744975818355989483438042734140425851936784933471329398495241314645381234782174678457627104461266014168887381800588696063493157616412569131139828602494906391240237899061089282241686999483493660032454709044728333708009330668811602390550069152695433836150194270580748781832692023072246476051546134119502816162427376559599278174503382461944100327065378816819327941955827975146760990512609323563793898366782122763339955665048043251039309507459490185390850128188101554852568027294672338858503328495872669512712991351360306508034183520241989715698411912005308797990698816916287044920204657187924410907904950498602588359623678239820594644416410884433287606087962400811114849634857843686382907988697473249744482632527508727814720463363279784817563839594582923544311950576595075432971946696956814315019059020579088332453571481148991677917637150911565047586367878123955453625844717012687217286102775024219363720605566398939051898257038642794395136854167829887750649259315345685102431792493
 . . . . . . . . . . . . . . . . . . . . [c:0|t:2|false] INTEGER 65537

 . . . . . . . . [c:2|t:3|true] ORAddress 
 . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.15 (keyUsage)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:1|false] BOOLEAN true
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (4 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:3|false] BIT STRING (3 bits)
							05a0
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.37 (extKeyUsage)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (22 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.3.1 (serverAuth)
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.3.2 (clientAuth)
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.19 (basicConstraints)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:1|false] BOOLEAN true
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (2 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.14 (subjectKeyIdentifier)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (22 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (20 bytes)
							48660d08b00fc18b149baebb0854285796e738df
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.35 (authorityKeyIdentifier)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (24 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:0|false] OtherName a84a6a63047dddbae6d139b7a64565eff3a8eca1
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.1.1 (authorityInfoAccess)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (99 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.48.1 (ocsp)
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:6|false] IA5String 'http://ocsp.int-x3.letsencrypt.org'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.48.2 (caIssuers)
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:6|false] IA5String 'http://cert.int-x3.letsencrypt.org/'
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.17 (subjectAltName)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (17 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.nckco.com'
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.32 (certificatePolicies)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (69 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.23.140.1.2.1 (Domain Validation Certificates Policy)
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.4.1.44947.1.1.1
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.2.1 (cps)
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:22|false] IA5String 'http://cps.letsencrypt.org'
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.4.1.11129.2.4.2
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (244 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (241 bytes)
							00ef0075005ea773f9df56c0e7b536487dd049e0327a919a0c84a11212841875968171455800000170969f0a330000040300463044022005869d719d2ec15f8655749543291073bd7424343859db56519cf0ee76f7e7ca022071849674db37af902a594657f81dad32e769ac62b86522dce8eae95e92a0d92300760007b75c1be57d68fff1b0c61d2315c7bae6577c5794b76aeebc613a1a69d3a21c00000170969f0a580000040300473045022100faaa786ff77c24cc513577c062e7e71d44da7a9198cbc6504fc55fffc10ced1802203602e2ce659a287319b795dd203ee8f8399f81b16bc827761996b0cd865ff663
 . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.2.840.113549.1.1.11 (sha256WithRSAEncryption)
 . . . . . . . . [c:0|t:5|false] NULL 
 . . . . [c:0|t:3|false] BIT STRING (2048 bits)
		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